:root {
  --accent: #c2410c;
  --accent-ink: #fff;
  --bg: #faf8f5;
  --card: #ffffff;
  --ink: #1c1917;
  --muted: #78716c;
  --line: #e7e5e4;
  --good: #15803d;
  --bad: #b91c1c;
  --radius: 14px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #fb923c;
    --accent-ink: #1c1917;
    --bg: #141210;
    --card: #1f1c1a;
    --ink: #f5f5f4;
    --muted: #a8a29e;
    --line: #34302c;
    --good: #4ade80;
    --bad: #f87171;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
}
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5rem; }
p { margin: 0 0 1rem; }
[hidden] { display: none !important; }

.bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; max-width: 720px; margin: 0 auto;
}
.brand { font-weight: 800; letter-spacing: -.02em; color: var(--ink); text-decoration: none; font-size: 1.15rem; }
.brand::before { content: ""; display: inline-block; width: .55em; height: .55em; border-radius: 50%; background: var(--accent); margin-right: .4em; vertical-align: .08em; }
.bar nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-size: .95rem; }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px 48px; }
.narrow { max-width: 440px; margin: 0 auto; padding: 32px 16px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin: 0 0 16px; }

/* big numbers */
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0 0 16px; }
@media (min-width: 640px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 14px 12px; min-width: 0; }
.stat b { display: block; font-size: clamp(1.7rem, 7vw, 2.4rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.05; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.stat span { color: var(--muted); font-size: .85rem; }
.stat.hero b { color: var(--accent); }
.stat small { font-size: .55em; color: var(--muted); font-weight: 600; letter-spacing: 0; }

.title { font-size: 1.6rem; letter-spacing: -.02em; margin: 4px 0 2px; }
.headrow { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 12px; }

.pace-line { margin: -4px 0 16px; font-weight: 600; }
.pace-line .good { color: var(--good); }
.pace-line .bad { color: var(--bad); }

.progress { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; margin: 10px 0 16px; }
.progress span { display: block; height: 100%; background: var(--accent); border-radius: 99px; }

.chart-card { height: 280px; padding: 12px 8px 8px; }
.chart-card canvas { width: 100% !important; height: 100% !important; }

/* forms */
label { display: block; font-weight: 600; font-size: .9rem; margin: 0 0 6px; }
.field { margin: 0 0 16px; }
.hint { font-weight: 400; color: var(--muted); }
input[type=text], input[type=email], input[type=number], input[type=date], input[type=time], select {
  width: 100%; font: inherit; color: inherit; background: var(--bg);
  border: 1.5px solid var(--line); border-radius: 10px; padding: 11px 12px; min-height: 46px;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.checkin { display: flex; gap: 10px; }
.checkin input { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; min-width: 0; }
.checkin .btn { flex: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 700; border: 0; border-radius: 10px; cursor: pointer;
  background: var(--accent); color: var(--accent-ink); padding: 12px 20px; min-height: 46px; text-decoration: none;
}
.btn:disabled { opacity: .6; cursor: default; }
.btn.block { width: 100%; }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn.small { padding: 6px 12px; min-height: 34px; font-size: .875rem; }
.linkbtn { background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer; padding: 0; text-decoration: underline; }
.danger { color: var(--bad); }

.days { display: flex; gap: 6px; }
.days label { flex: 1; margin: 0; }
.days input { position: absolute; opacity: 0; pointer-events: none; }
.days span {
  display: block; text-align: center; padding: 9px 0; border-radius: 9px; border: 1.5px solid var(--line);
  font-weight: 700; font-size: .85rem; cursor: pointer; user-select: none;
}
.days input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.days input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.error { color: var(--bad); font-weight: 600; margin: 8px 0 0; }
.ok { color: var(--good); font-weight: 600; }

details summary { cursor: pointer; font-weight: 600; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; margin-top: 10px; }
td, th { text-align: right; padding: 8px 4px; border-bottom: 1px solid var(--line); }
td:first-child, th:first-child { text-align: left; }
th { color: var(--muted); font-weight: 600; font-size: .85rem; }

.plist { list-style: none; padding: 0; margin: 0; }
.plist li { border-bottom: 1px solid var(--line); }
.plist li:last-child { border: 0; }
.plist a { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; color: var(--ink); text-decoration: none; }
.plist a span:last-child { color: var(--muted); white-space: nowrap; }

.hero-title { font-size: clamp(2.1rem, 9vw, 3.2rem); letter-spacing: -.04em; margin: 24px 0 8px; }
.hero-title em { font-style: normal; color: var(--accent); }
.counter { margin: -12px 0 24px; color: var(--muted); font-size: .95rem; }
.counter b { color: var(--ink); font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.lede { font-size: 1.1rem; color: var(--muted); margin-bottom: 24px; }

.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-weight: 600; z-index: 10; }

dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); color: var(--ink); padding: 20px; width: min(520px, calc(100vw - 32px)); }
dialog::backdrop { background: rgb(0 0 0 / .45); }

/* completion */
.done-card { text-align: center; background: var(--accent); color: var(--accent-ink); border: 0; padding: 28px 20px; }
.done-card .big { font-size: clamp(2.4rem, 11vw, 3.6rem); font-weight: 800; letter-spacing: -.04em; line-height: 1; margin: 8px 0; }
.done-card .btn { background: var(--accent-ink); color: var(--accent); }
.publish { text-align: center; }
.cta { margin-top: 24px; }